html, body {
  font-family: Helvetica, sans-serif;
}

.wrapper {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  zoom: 1.4;
}

input {
  position: absolute;
  will-change: transform;
}

input.grow {
  animation: grow 0.8s cubic-bezier(0.175, 0.885, 0.320, 1.275);
}

@keyframes grow {
  0%     { transform: scale(1);       }
  30%    { transform: scale(2.5);     }
  100%   { transform: scale(1);       }
}